Unit5 Water is life词汇变形及专项巩固训练120题- 2025-2026学年沪教版七年级下册英语

沪教版七年级下册英语 Unit5 Water is life词汇变形及专项巩固训练 共120分 一、重点单词词性转换（20分） 1.important (adj.) 重要的 → ________ (n.) 重要性 2.value (n.) 价值 → ________ (adj.) 宝贵的；有价值的 3.pollute (v.) 污染 → ________ (n.) 污染 4.clean (v./adj.) 打扫；干净的 → ________ (adj.) 不干净的；脏的 5.use (v./n.) 使用 → ________ (adj.) 有用的 → ________ (adj.) 无用的 6.save (v.) 节约；拯救 → ________ (n.) 节约；节省 7.drop (v.) 掉落；滴 → ________ (n.) 滴；水珠 8.drink (v.) 喝 → ________ (adj.) 可饮用的 9.fire (n.) 火 → ________ (adj.) 着火的；失火的 10.cover (v.) 覆盖 → ________ (n.) 覆盖物；封面 11.strange (adj.) 奇怪的 → ________ (n.) 陌生人 12.dry (adj./v.) 干燥的；使变干 → ________ (n.) 干燥 13.wet (adj.) 湿的 → ________ (v.) 弄湿 14.agree (v.) 同意 → ________ (n.) 同意 → ________ (v.) 不同意 15.follow (v.) 跟随；遵循 → ________ (n.) 跟随者 16.exist (v.) 存在 → ________ (n.) 存在 17.human (n.) 人类 → ________ (adj.) 人类的 18.farm (n.) 农场 → ________ (n.) 农民 → ________ (n.) 农业 19.easy (adj.) 容易的 → ________ (adv.) 容易地 20.lose (v.) 失去；丢失 → ________ (adj.) 丢失的；迷路的 二、根据括号里单词的正确形式填空（30分） 1.Water is very ________ (importance) for all living things. 2.We must know the ________ (important) of saving water. 3.The ________ (pollute) water is bad for our health. 4.People should stop ________ (pollute) the rivers and lakes. 5.Fresh water is ________ (value) and we can't waste it. 6.This tool is ________ (use) for watering plants. Don't throw it away. 7.The broken bottle is ________ (use). We need to buy a new one. 8.Everyone should take part in ________ (save) water in daily life. 9.His ________ (save) of water sets a good example for us. 10.________ (drop) of water make an ocean. 11.Be careful! The bottle is ________ (drop) from the table. 12.We need to drink more ________ (drink) water every day. 13.The ________ (fire) house is dangerous to stay near. 14.Snow ________ (cover) the ground in winter. 15.The ________ (cover) of the book is very beautiful. 16.There is a ________ (strange) noise outside the door. 17.Don't talk to ________ (strange) on the street. 18.The hot weather makes the air ________ (dry). 19.We can use a fan to ________ (dry) the wet clothes. 20.Don't ________ (wet) your books when you wash your hands. 21.My parents ________ (agree) with my plan to save water. 22.We should reach an ________ (agree) on water protection. 23.Some people ________ (agree) that wasting water is a small mistake. 24.We should ________ (follow) the rules of water saving. 25.The ________ (exist) of water makes the earth full of life. 26.________ (human) must protect water resources for the future. 27.________ (farm) use water to grow crops every day. 28.________ (farm) is very important for food production. 29.We can ________ (easy) save water by turning off taps tightly. 30.Many animals ________ (lose) their homes because of water shortage. 三、根据句子中首字母提示完成合适的单词填空（30分） 1.Water is l______ for all plants, animals and humans. 2.We can't live w______ water. 3.F______ water is very important for our daily life. 4.Don't p______ rivers with rubbish. 5.We must s______ every drop of water. 6.A small l______ of water can help a lot of dry plants. 7.The tap is not turned off. Water is d______ down. 8.It's not easy to find clean drinking water in some d______ areas. 9.The ground is w______ after the rain. 10.We should c______ the dirty rivers and make them clean again. 11.F______ can't grow crops without enough water. 12.There is a s______ smell from the polluted water. 13.We all a______ that protecting water is our duty. 14.Water can e______ in three forms: solid, liquid and gas. 15.It's e______ to save water in our daily life. 16.Don't l______ clean water by playing with taps. 17.The sun can d______ wet clothes quickly. 18.Water can p______ the earth and keep it cool. 19.We should f______ the advice of saving water. 20.The v______ of water is more than gold in dry places. 21.Too much p______ makes the water undrinkable. 22.Humans need clean water to s______ healthy. 23.Turn off the t______ when you brush your teeth. 24.Every d______ of water is precious. 25.We should use water w______ and not waste it. 26.The w______ weather makes the roads wet. 27.Some s______ animals live in clean water. 28.We must do something to s______ endangered animals and water resources. 29.It's a good h______ to reuse water for cleaning. 30.Water can help put out f______ in an emergency. 四、用括号里汉语提示完成单词填空（40分） 1.Water is the source of life and very ________ (重要的) for us. 2.We must realize the ________ (重要性) of protecting water resources. 3.Don't ________ (污染) the rivers and lakes with waste. 4.The ________ (污染) in this lake is getting more and more serious. 5.Fresh water is a ________ (宝贵的) resource on the earth. 6.We should ________ (节约) water in every possible way. 7.A ________ (滴) of water is very precious in dry deserts. 8.We need plenty of clean ________ (可饮用的) water every day. 9.The ________ (干燥的) weather makes many plants die. 10.Don't ________ (弄湿) your school uniform on rainy days. 11.We should ________ (同意) with each other on water protection. 12.His idea is ________ (奇怪的) but very useful for saving water. 13.Don't talk to ________ (陌生人) when you are alone. 14.Farmers use water to grow ________ (庄稼) every year. 15.________ (农业) needs a lot of fresh water to develop. 16.We can ________ (容易地) save water by reusing it. 17.Don't ________ (丢失) the chance to save water. 18.The ________ (丢失的) bottle was found by the river. 19.Water can ________ (覆盖) most parts of the earth's surface. 20.The ________ (覆盖物) of the well keeps water clean. 21.________ (人类) should live in harmony with nature. 22.The ________ (存在) of water makes life possible on earth. 23.This is a ________ (有用的) way to save water at home. 24.The broken pipe is ________ (无用的) and needs to be replaced. 25.We should ________ (遵循) the rules of water saving in public places. 26.It's a bad habit to ________ (浪费) clean water. 27.The ________ (火) was put out with water quickly. 28.The ________ (湿的) ground is very slippery. 29.We should clean the ________ (脏的) water before using it. 30.My parents ________ (不同意) me to waste water. 31.We need to reach an ________ (同意) on the water-saving plan. 32.________ (农民) work hard to grow food with water. 33.Turn off the tap ________ (紧紧地) to avoid water running. 34.Water shortage is a big ________ (问题) in many countries. 35.We should ________ (使变干) the wet floor to prevent falling. 36.The ________ (干燥) of the air makes people feel uncomfortable. 37.Every small ________ (行动) can help save a lot of water. 38.We should ________ (保护) water resources from being polluted. 39.Don't play with water to ________ (避免) wasting it. 40.Fresh water is ________ (有限的) so we must make good use of it. 参考答案 一、 1.importance 2.valuable 3.pollution 4.unclean 5.useful; useless 6.saving 7.drip 8.drinkable 9.fiery 10.covering 11.stranger 12.dryness 13.wet 14.agreement; disagree 15.follower 16.existence 17.human 18.farmer; farming 19.easily 20.lost 二、 1. important 2. importance 3. polluted 4. polluting 5. valuable 6. useful 7. useless 8. saving 9. saving 10. Drops 11. dropping 12. drinkable 13. fiery 14. covers 15. cover 16. strange 17. strangers 18. dry 19. dry 20. wet 21. agree 22. agreement 23. disagree 24. follow 25. existence 26. Humans 27. Farmers 28. Farming 29. easily 30. lose 三、 1. life 2. without 3. Fresh 4. pollute 5. save 6. litre 7. dripping 8. dry 9. wet 10. clean 11. Farmers 12. strange 13. agree 14. exist 15. easy 16. lose 17. dry 18. protect 19. follow 20. value 21. pollution 22. stay 23. tap 24. drop 25. wisely 26. wet 27. sea 28. save 29. habit 30. fire 四、 1. important 2. importance 3. pollute 4. pollution 5. valuable 6. save 7. drop 8. drinkable 9. dry 10. wet 11. agree 12. strange 13. strangers 14. crops 15. Farming 16. easily 17. lose 18. lost 19. cover 20. covering 21. Humans 22. existence 23. useful 24. useless 25. follow 26. waste 27. fire 28. wet 29. dirty 30. disagree 31. agreement 32. Farmers 33. tightly 34. problem 35. dry 36. dryness 37. action 38. protect 39. avoid 40. limited 学科网（北京）股份有限公司 $